Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/fakexmppclient.h

Index: webrtc/libjingle/xmpp/fakexmppclient.h
diff --git a/webrtc/libjingle/xmpp/fakexmppclient.h b/webrtc/libjingle/xmpp/fakexmppclient.h
new file mode 100644
index 0000000000000000000000000000000000000000..63c216caf213e24117c1ad05a4710b73e8ab2465
--- /dev/null
+++ b/webrtc/libjingle/xmpp/fakexmppclient.h
@@ -0,0 +1,107 @@
+/*
+ *  Copyright 2011 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+// A fake XmppClient for use in unit tests.
+
+#ifndef WEBRTC_LIBJINGLE_XMPP_FAKEXMPPCLIENT_H_
+#define WEBRTC_LIBJINGLE_XMPP_FAKEXMPPCLIENT_H_
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include "webrtc/libjingle/xmpp/xmpptask.h"
+
+namespace buzz {
+
+class XmlElement;
+
+class FakeXmppClient : public XmppTaskParentInterface,
+                       public XmppClientInterface {
+ public:
+  explicit FakeXmppClient(rtc::TaskParent* parent)
+      : XmppTaskParentInterface(parent) {
+  }
+
+  // As XmppTaskParentInterface
+  virtual XmppClientInterface* GetClient() {
+    return this;
+  }
+
+  virtual int ProcessStart() {
+    return STATE_RESPONSE;
+  }
+
+  // As XmppClientInterface
+  virtual XmppEngine::State GetState() const {
+    return XmppEngine::STATE_OPEN;
+  }
+
+  virtual const Jid& jid() const {
+    return jid_;
+  }
+
+  virtual std::string NextId() {
+    // Implement if needed for tests.
+    return "0";
+  }
+
+  virtual XmppReturnStatus SendStanza(const XmlElement* stanza) {
+    sent_stanzas_.push_back(stanza);
+    return XMPP_RETURN_OK;
+  }
+
+  const std::vector<const XmlElement*>& sent_stanzas() {
+    return sent_stanzas_;
+  }
+
+  virtual XmppReturnStatus SendStanzaError(
+      const XmlElement * pelOriginal,
+      XmppStanzaError code,
+      const std::string & text) {
+    // Implement if needed for tests.
+    return XMPP_RETURN_OK;
+  }
+
+  virtual void AddXmppTask(XmppTask* task,
+                           XmppEngine::HandlerLevel level) {
+    tasks_.push_back(task);
+  }
+
+  virtual void RemoveXmppTask(XmppTask* task) {
+    std::remove(tasks_.begin(), tasks_.end(), task);
+  }
+
+  // As FakeXmppClient
+  void set_jid(const Jid& jid) {
+    jid_ = jid;
+  }
+
+  // Takes ownership of stanza.
+  void HandleStanza(XmlElement* stanza) {
+    for (std::vector<XmppTask*>::iterator task = tasks_.begin();
+         task != tasks_.end(); ++task) {
+      if ((*task)->HandleStanza(stanza)) {
+        delete stanza;
+        return;
+      }
+    }
+    delete stanza;
+  }
+
+ private:
+  Jid jid_;
+  std::vector<XmppTask*> tasks_;
+  std::vector<const XmlElement*> sent_stanzas_;
+};
+
+}  // namespace buzz
+
+#endif  // WEBRTC_LIBJINGLE_XMPP_FAKEXMPPCLIENT_H_